Home / 161,983.42-223,536.48-90,363.38

Finding the Fourth Proportional to 161,983.42, 223,536.48 and 90,363.38

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Solution

The fourth proportional to 161,983.42, 223,536.48 and 90,363.38 is: 124,701.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,983.42 : 223,536.48 = 90,363.38 : x
  2. Step 2: Convert to fraction form
    161,983.42/223,536.48 = 90,363.38/x
  3. Step 3: Cross multiply
    161,983.42x = 223,536.48 × 90,363.38
  4. Step 4: Simplify right side
    161,983.42x = 20,199,511,886.10
  5. Step 5: Solve for x
    x = 20,199,511,886.10/161,983.42
  6. Step 6: Final answer
    x = 124,701.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.